* {
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    color: rgb(0, 0, 0);
}

.reader {
    height: 100%;
    margin: auto;
    background-color: rgb(231, 226, 215);
}

.reader .content {
    width: 800px;
    height: 100%;
    margin: auto;
    background-color: rgb(243, 239, 230);
}

.reader .content .title {
    width: 800px;
    height: 100px;
}


.reader .content .title .name {
    float: left;
    height: 80px;
    margin: 10px 30px;
    font-size: 30px;
    text-align: left;
    line-height: 80px;
}

.reader .content .text-box {
    width: 800px;
}

.reader .content .text-box .text {
    width: 700px;
    height: 100%;
    margin: 20px 50px;
    font-size: 18px;
}

.reader .content .text-box .text p {
    margin-top: 15px;
}

.reader .content .text-box .text span {
    display: block;
    text-indent: -15px;
    line-height: 38px;
}

.reader .change {
    width: 500px;
    height: 50px;
    padding: 100px 150px;
}

.reader .change button {
    float: left;
    cursor: pointer;
    width: 250px;
    height: 50px;
    background-color: #e7e2d7;
    border: 0;
}

.reader .change .button-change-previous {
    border-radius: 20px 0 0 20px;
    border-right: 1px solid #f3efe6;
}

.reader .change .button-change-next {
    border-radius: 0 20px 20px 0;
    border-left: 1px solid #f3efe6;
}

.reader .setting {
    position: fixed;
    width: 70px;
    height: 400px;
    top: 250px;
    left: 1170px;
}

.reader .setting .change-box {
    cursor: pointer;
    width: 70px;
    height: 70px;
    margin-top: 10px;
    border-radius: 10px;
    background-color: #f3efe6;
    text-align: center;
    line-height: 70px;
    font-size: 14px;
    color: #a1a09d;
}


.reader .setting .change-box:hover {
    color: #d72929;
    border-color: #d72929;
}